Excerpt: Underground: A Human History of the Worlds Beneath Our Feet
Barred owls are being killed to save endangered spotted owls.
One full week of keeping track of absolutely everything, to see if gamification can net you a win in the game of life
A trip to the New Museum's Carsten Höller exhibit, where up literally becomes down
Last October, Iceland's economy tanked. Its bailout? A two-mile geothermal well drilled into a volcano that could generate an endless supply of clean energy. Or, as Icelanders will calmly explain, it could all blow up in their faces
Turbines to take root in the sea
Scientists are building ultra-cold systems that mimic the most extreme edges of the universe. Can these analogues help solve the big bang's mysteries?
The tomatoes of tomorrow could solve multiple problems if grown in salt water
Humans' hard-wired competitive drive could be linked to stress-related health problems, a new study says
Using just a length of fiber optic cable, scientists hope to recreate one of black holes' most salient properties
During a week of attempting to cloak every aspect of daily life, our correspondent found that in an information age, leaving no trace is nearly impossible
Your August obituary of astronomer Thomas Gold implied that his oil-abundance theory is off-base, but hasn't recent research proved otherwise?
New games Fable and the Sims 2 further the cause of agent-based play.
A pioneering gene treatment for Parkinson's disease ignites fury -- and hope.
Sports tech: Lance Armstrong's latest gear assault on the Tour de France.
Sit back while The Matrix Reloaded boots up the next generation of virtual filmmaking.
If you cheat on your spouse, you can't yet plead biochemistry in divorce court. But rodent-brain research sheds light on why some lovers stay, some stray.
According to the laws of physics, the world should not exist. To explain why we're here, scientists are recreating the universe's fiery beginnings by pitting matter against antimatter and watching them annihilate.
Stress wrecks your head -- and, sometimes, the truth.
Underwater Hotels: Overnighting under the sea prepares astronauts for space.